Will Visual Studio 2008 be supported by new .NET 4 from the get go?
I'm particularly interested in the System.Collections.Concurrent namespace and the parallel task library, which I would use immediately.
Is it worth upgrading to Visual Studio 2010 when it comes out?
VS 2008 enables you to build applications that target multiple versions of the . Net Framework. This means you can use VS 2008 to open, edit and build existing . NET 2.0 and ASP.NET 2.0 applications (including ASP.NET 2.0 applications using ASP.NET AJAX 1.0), and continue to deploy these application on .
As previously announced, starting January 12, 2016 Microsoft will no longer provide security updates, technical support or hotfixes for . NET 4, 4.5, and 4.5.
Visit visualstudio.com to get the most up-to-date version of Visual Studio. Microsoft will no longer provide security updates, technical support, or hotfixes when support ends on April 10, 2018, for the following products: Microsoft Visual Studio 2008 (All editions)
Select Start > Control Panel > Programs > Programs and Features. Select Turn Windows features on or off. If not already installed, select Microsoft . NET Framework and click OK.
No. VS2008 will not be able to target .NET 4.0:
Visual Studio 2010 supports .NET 4 and earlier projects. Visual Studio 2008 supports .NET 3.5SP1 projects.
Hope this helps,
Polita Paulus
Developer Division
Microsoft
Reference
While you can't use .NET 4.0 itself from VS2008, if you're interested in the Parallel Extensions stuff, you could download the Reactive Framework (formerly LINQ to Rx) which I believe contains at least a lot of Parallel Extensions backported to .NET 3.5 SP1.
From the Release Notes, it includes:
System.Threading, backport of Parallel Extensions for .NET 4 to .NET 3.5 SP1
- Task for executing asynchronous operations.
- Concurrent Collections such as ConcurrentStack, ConcurentQueue ad ConcurrentDictionary.
- PLINQ for writing parallel queries.
- addition Threading operations such as Barrier,SpinLock and SpinWait.
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